Is undefined less than or equal to 0?

Is undefined less than or equal to 0?

There’s a special rule. These two are a “sweet couple”: they equal each other (in the sense of == ), but not any other value. null/undefined are converted to numbers: null becomes 0 , while undefined becomes NaN .

How do you check for undefined?

If it is undefined, it will not be equal to a string that contains the characters “undefined”, as the string is not undefined. You can check the type of the variable: if (typeof(something) != “undefined”) …

Can undefined be equal to undefined?

undefined does not equal undefined.

What is undefined error?

Anything that lacks a description or is not declared is considered undefined. For example, in computer programming, if a variable is not declared when the program or script is run, you will receive a “no value,” “not defined,” “unbound,” “undefined” error message.

Which is an example of an undefined media medium?

Undefined Contains such mixtures as extract or enzymatic digests of protein Sometimes called “rich medium” Contain more preformed nutrients, and the organisms do not have to use energy and materials to synthesize the compounds supplied in the medium

What are the disadvantages of embedding media-ou?

Disadvantages: 1.       Relatively high viscosity.   Necessitates lengthy graded infiltration procedure. 2.       Some reduction in contract between specimen and background. 3.       Can cause severe irritation to skin.

What are the ideal qualities of an embedding medium?

EMBEDDING MEDIA Ideal qualities of embedding medium:  1.        Easily available  2.        Uniformity from one batch to another  3.        Solubility in dehydrating agents  4.        Low viscosity as monomer for penetration  5.        Uniform polymerization  6.        Little volume change during polymerization  7.

What are the parameters for an embedded video on YouTube?

For example, you can automatically play videos using the autoplayparameter or cause a video to play repeatedly using the loopparameter. You can also use the enablejsapiparameter to enable the player to be controlled via the IFrame Player API. This page currently defines all parameters supported in any YouTube embedded player.